Puncture-closing compound.



TUNITED STATES PATEDTT OFFICE.

WILLIAM!'il'. WATKINS, OF'FORT WORTH, TEXAS, ASSIGNOR ONE-HALF T NANNIE G'. DBUMM, OF FORT WORTH, TEXAS, AND ONE-FOURTH TO JOHN A. WISHERD, 01?

STANTON, NEBRASKA.

No Drawing; 7

- form a highly efficient puncture closing or tire patching mixture and which 'will act quickly and automatically so that a puncture or blow-out will be closed almost in-'.

' stantaneously without the attention of the driver or operator and which is not expen sive, considering the great advantages de-- rived therefr'o v 3 Other objects and advantages -.will be fully explained in the following description and the invention will be more particularly pointed out in the claims.

The new composition is prepared from V wood'fiher, cotton, asbestos, rubber fiber andother ingredients. It must be understood that any one of the above named inand water. The ingredients are mixed in the following proportions :-Two pounds of wood fiber,- two pounds of dextrin, one

pound of gum arable, four ounces of shellac,

ten ounces of wood alcohol, ten ounces aqua ammoma, one ounce. of 011 of cedar, and

Q-enough distilled water to make five gallons "of the composition. The ingredients are thoroughly compounded and reduced to a liquid consistency. Instead of the wood Specification of Letters Patent.

PUNCTUTRE-CLOSING COMPOUND.

'fiber, two pounds of cotton, or asbestos, or

rubber, or rubberfib'er, may be substituted therefor, or two pounds of all these combined or two pounds of any combination of the wood fiber, cotton, asbestos, rubber, and rubber fiber may be substituted for the wood When prepared, the composition should not be exposed to the atmosphere for any considerable length of time as it will not remain ,in the liquid state when exposed to the atmosphere. The composition is to be used in the liquid state and will remain in the liquid state when inclosed in Patented May 20, 1913, Application filed November 5, 1,912. Serial No. 729,617. I

a tire. The composition is placed in the liquid state in the tire in suflicient quantity to cover the interior surface of the irmer tube. The tire may be revolved to spread the liquid to all parts of the interior thereof. When in use, the revolving of the wheels will keep the composition spread to the parts of the tire liable to punctures and when a puncture is made, the composition will close the puncture instantaneously.

The air pressure aids the composition in closingthe puncture.

What I'claim, is,

1. A composition inflatable tires consisting of two'pounds of fiber, two pounds of dextrin, one pound of gum arable, four ounces of shellac, ten ounces of wood alcohol, ten ounces of aqua ammonia, one ounce of oil of cedar, and enough-water to make five gallons.

2. A liquid composition for closing puncturesin inflatable tires consisting of fiber, dextrin, gum arabic, shellac, wood alcohol, aqua. ammonia, oil'o-f cedar, and water. V

In testimony whereof, I set my hand in the presence of two witnesses, this 25th day of October, 1912. 1

WILLIAM J WATKINS. Witnesses: A. L. JACKSON, J W. Sum.

for closing punctures in I 

